Web Animations CSS: Start running animations on the compositor

Source/core/animation/AnimationStack.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 33 matching lines @@
 
 public:
     void add(Animation* animation) { m_activeAnimations.append(animation); }
     void remove(Animation* animation)
     {
         size_t position = m_activeAnimations.find(animation);
         ASSERT(position != kNotFound);
         m_activeAnimations.remove(position);
     }
     bool isEmpty() const { return m_activeAnimations.isEmpty(); }
+    bool affects(CSSPropertyID) const;
+    bool hasActiveAnimationsOnCompositor(CSSPropertyID) const;
     static AnimationEffect::CompositableValueMap compositableValues(const AnimationStack*, const Vector<InertAnimation*>* newAnimations, const HashSet<const Player*>* cancelledPlayers, Animation::Priority);
 
 private:
     Vector<Animation*> m_activeAnimations;
 };
 
 } // namespace WebCore
 
 #endif